Stefanos Tsitsipas Teams Up with Former Top 10 Player Mark Philippoussis at National Bank Open
After securing his first season title in Los Cabos, Stefanos Tsitsipas arrives at the National Bank Open Presented by Rogers with a familiar figure in his corner. Renowned former World No. 8 Mark Philippoussis has coached the Greek player, while Tsitsipas' father, Apostolos, is stepping back for a breather.